1.

The side of triangle is 7.5 cm, 4 cm and 9 cm respectively and circum radius is 1.5 cm then finds the area of triangle?1. 35 square cm2. 45 square cm3. 55 square cm4. 65 square cm

Answer» Correct Answer - Option 2 : 45 square cm

Given:

The side of the triangle is 7.5 cm, 4 cm and 9 cm respectively and circum radius is 1.5 cm

Formula used:

Area of triangle = (Product of sides)/ 4 × circum radius

Calculation:

By using the formula

∴ Area of triangle = (7.5 × 4 × 9)/(4 × 1.5) = 45 square cm

Hence, option (2) is correct



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